search for: cycles_per_alarm

Displaying 16 results from an estimated 16 matches for "cycles_per_alarm".

[PATCH 6/6] VMI timer patches
2007 Apr 18
0
[PATCH 6/6] VMI timer patches
...Number of alarms per second. By default this is CONFIG_VMI_ALARM_HZ. */ +static int alarm_hz = CONFIG_VMI_ALARM_HZ; + +/* Cache of the value get_cycle_frequency / HZ. */ +static signed long long cycles_per_jiffy; + +/* Cache of the value get_cycle_frequency / alarm_hz. */ +static signed long long cycles_per_alarm; + +/* The number of cycles accounted for by the 'jiffies'/'xtime' count. + * Protected by xtime_lock. */ +static unsigned long long real_cycles_accounted_system; + +/* The number of cycles accounted for by update_process_times(), per cpu. */ +static DEFINE_PER_CPU(unsigned long lon...
[PATCH 6/6] VMI timer patches
2007 Apr 18
0
[PATCH 6/6] VMI timer patches
...Number of alarms per second. By default this is CONFIG_VMI_ALARM_HZ. */ +static int alarm_hz = CONFIG_VMI_ALARM_HZ; + +/* Cache of the value get_cycle_frequency / HZ. */ +static signed long long cycles_per_jiffy; + +/* Cache of the value get_cycle_frequency / alarm_hz. */ +static signed long long cycles_per_alarm; + +/* The number of cycles accounted for by the 'jiffies'/'xtime' count. + * Protected by xtime_lock. */ +static unsigned long long real_cycles_accounted_system; + +/* The number of cycles accounted for by update_process_times(), per cpu. */ +static DEFINE_PER_CPU(unsigned long lon...
[PATCH 5/5] Vmi timer.patch
2007 Apr 18
0
[PATCH 5/5] Vmi timer.patch
...Number of alarms per second. By default this is CONFIG_VMI_ALARM_HZ. */ +static int alarm_hz = CONFIG_VMI_ALARM_HZ; + +/* Cache of the value get_cycle_frequency / HZ. */ +static signed long long cycles_per_jiffy; + +/* Cache of the value get_cycle_frequency / alarm_hz. */ +static signed long long cycles_per_alarm; + +/* The number of cycles accounted for by the 'jiffies'/'xtime' count. + * Protected by xtime_lock. */ +static unsigned long long real_cycles_accounted_system; + +/* The number of cycles accounted for by update_process_times(), per cpu. */ +static DEFINE_PER_CPU(unsigned long lon...
[PATCH 5/5] Vmi timer.patch
2007 Apr 18
0
[PATCH 5/5] Vmi timer.patch
...Number of alarms per second. By default this is CONFIG_VMI_ALARM_HZ. */ +static int alarm_hz = CONFIG_VMI_ALARM_HZ; + +/* Cache of the value get_cycle_frequency / HZ. */ +static signed long long cycles_per_jiffy; + +/* Cache of the value get_cycle_frequency / alarm_hz. */ +static signed long long cycles_per_alarm; + +/* The number of cycles accounted for by the 'jiffies'/'xtime' count. + * Protected by xtime_lock. */ +static unsigned long long real_cycles_accounted_system; + +/* The number of cycles accounted for by update_process_times(), per cpu. */ +static DEFINE_PER_CPU(unsigned long lon...
[PATCH 9/10] Vmi timer update.patch
2007 Apr 18
1
[PATCH 9/10] Vmi timer update.patch
...* Number of alarms per second. By default this is CONFIG_VMI_ALARM_HZ. */ -static int alarm_hz = CONFIG_VMI_ALARM_HZ; - -/* Cache of the value get_cycle_frequency / HZ. */ -static signed long long cycles_per_jiffy; - -/* Cache of the value get_cycle_frequency / alarm_hz. */ -static signed long long cycles_per_alarm; - -/* The number of cycles accounted for by the 'jiffies'/'xtime' count. - * Protected by xtime_lock. */ -static unsigned long long real_cycles_accounted_system; - -/* The number of cycles accounted for by update_process_times(), per cpu. */ -static DEFINE_PER_CPU(unsigned long lon...
[PATCH 9/10] Vmi timer update.patch
2007 Apr 18
1
[PATCH 9/10] Vmi timer update.patch
...* Number of alarms per second. By default this is CONFIG_VMI_ALARM_HZ. */ -static int alarm_hz = CONFIG_VMI_ALARM_HZ; - -/* Cache of the value get_cycle_frequency / HZ. */ -static signed long long cycles_per_jiffy; - -/* Cache of the value get_cycle_frequency / alarm_hz. */ -static signed long long cycles_per_alarm; - -/* The number of cycles accounted for by the 'jiffies'/'xtime' count. - * Protected by xtime_lock. */ -static unsigned long long real_cycles_accounted_system; - -/* The number of cycles accounted for by update_process_times(), per cpu. */ -static DEFINE_PER_CPU(unsigned long lon...
[RFC, PATCH 23/24] i386 Vmi timer patch
2007 Apr 18
0
[RFC, PATCH 23/24] i386 Vmi timer patch
...of alarms per second. By default this is CONFIG_VMI_ALARM_HZ. */ +static int alarm_hz = CONFIG_VMI_ALARM_HZ; + +/* Cache of the value vmi_get_cycle_frequency / HZ. */ +static signed long long cycles_per_jiffy; + +/* Cache of the value vmi_get_cycle_frequency / alarm_hz. */ +static signed long long cycles_per_alarm; + +/* The number of cycles accounted for by the 'jiffies'/'xtime' count. + * Protected by xtime_lock. */ +static unsigned long long real_cycles_accounted_system; + +/* The number of cycles accounted for by update_process_times(), per cpu. */ +static DEFINE_PER_CPU(unsigned long lon...
[RFC, PATCH 23/24] i386 Vmi timer patch
2007 Apr 18
0
[RFC, PATCH 23/24] i386 Vmi timer patch
...of alarms per second. By default this is CONFIG_VMI_ALARM_HZ. */ +static int alarm_hz = CONFIG_VMI_ALARM_HZ; + +/* Cache of the value vmi_get_cycle_frequency / HZ. */ +static signed long long cycles_per_jiffy; + +/* Cache of the value vmi_get_cycle_frequency / alarm_hz. */ +static signed long long cycles_per_alarm; + +/* The number of cycles accounted for by the 'jiffies'/'xtime' count. + * Protected by xtime_lock. */ +static unsigned long long real_cycles_accounted_system; + +/* The number of cycles accounted for by update_process_times(), per cpu. */ +static DEFINE_PER_CPU(unsigned long lon...
[PATCH 00/28] Updates for firstfloor paravirt-ops patches
2007 Apr 18
31
[PATCH 00/28] Updates for firstfloor paravirt-ops patches
Hi Andi, This is a set of updates for the firstfloor patch queue. Quick rundown: revert-mm-x86_64-mm-account-for-module-percpu-space-separately-from-kernel-percpu.patch separate-module-percpu-space.patch Update the module percpu accounting patch fix-ff-allow-percpu-variables-to-be-page-aligned.patch Make sure the percpu memory allocation is page-aligned
[PATCH 00/28] Updates for firstfloor paravirt-ops patches
2007 Apr 18
31
[PATCH 00/28] Updates for firstfloor paravirt-ops patches
Hi Andi, This is a set of updates for the firstfloor patch queue. Quick rundown: revert-mm-x86_64-mm-account-for-module-percpu-space-separately-from-kernel-percpu.patch separate-module-percpu-space.patch Update the module percpu accounting patch fix-ff-allow-percpu-variables-to-be-page-aligned.patch Make sure the percpu memory allocation is page-aligned
[PATCH 7/9] Fix nohz compile.patch
2007 Apr 18
0
[PATCH 7/9] Fix nohz compile.patch
...real_cycles_accounted_system = read_real_cycles(); - update_xtime_from_wallclock(); per_cpu(process_times_cycles_accounted_cpu, 0) = read_available_cycles(); cycles_per_sec = vmi_timer_ops.get_cycle_frequency(); - cycles_per_jiffy = cycles_per_sec; (void)do_div(cycles_per_jiffy, HZ); cycles_per_alarm = cycles_per_sec;
[PATCH 7/9] Fix nohz compile.patch
2007 Apr 18
0
[PATCH 7/9] Fix nohz compile.patch
...real_cycles_accounted_system = read_real_cycles(); - update_xtime_from_wallclock(); per_cpu(process_times_cycles_accounted_cpu, 0) = read_available_cycles(); cycles_per_sec = vmi_timer_ops.get_cycle_frequency(); - cycles_per_jiffy = cycles_per_sec; (void)do_div(cycles_per_jiffy, HZ); cycles_per_alarm = cycles_per_sec;
[PATCH 3/9] Vmi cpu cycles.patch
2007 Apr 18
0
[PATCH 3/9] Vmi cpu cycles.patch
...ng vmi_cpu_khz(void) +{ + unsigned long long khz; + + khz = vmi_timer_ops.get_cycle_frequency(); + (void)do_div(khz, 1000); + return khz; +} + void __init vmi_time_init(void) { unsigned long long cycles_per_sec, cycles_per_msec; @@ -206,7 +215,6 @@ void __init vmi_time_init(void) (void)do_div(cycles_per_alarm, alarm_hz); cycles_per_msec = cycles_per_sec; (void)do_div(cycles_per_msec, 1000); - cpu_khz = cycles_per_msec; printk(KERN_WARNING "VMI timer cycles/sec = %llu ; cycles/jiffy = %llu ;" "cycles/alarm = %llu\n", cycles_per_sec, cycles_per_jiffy, diff -r b8b315c89...
[PATCH 3/9] Vmi cpu cycles.patch
2007 Apr 18
0
[PATCH 3/9] Vmi cpu cycles.patch
...ng vmi_cpu_khz(void) +{ + unsigned long long khz; + + khz = vmi_timer_ops.get_cycle_frequency(); + (void)do_div(khz, 1000); + return khz; +} + void __init vmi_time_init(void) { unsigned long long cycles_per_sec, cycles_per_msec; @@ -206,7 +215,6 @@ void __init vmi_time_init(void) (void)do_div(cycles_per_alarm, alarm_hz); cycles_per_msec = cycles_per_sec; (void)do_div(cycles_per_msec, 1000); - cpu_khz = cycles_per_msec; printk(KERN_WARNING "VMI timer cycles/sec = %llu ; cycles/jiffy = %llu ;" "cycles/alarm = %llu\n", cycles_per_sec, cycles_per_jiffy, diff -r b8b315c89...
[RFC, PATCH 24/24] i386 Vmi no idle hz
2007 Apr 18
1
[RFC, PATCH 24/24] i386 Vmi no idle hz
...(vmi_idle_no_hz_irqs, cpu)++; + + /* Don't bother explicitly cancelling the one-shot alarm -- at + * worse we will receive a spurious timer interrupt. */ + vmi_set_alarm(VMI_ALARM_WIRING | VMI_ALARM_IS_PERIODIC | VMI_CYCLES_AVAILABLE, + per_cpu(process_times_cycles_accounted_cpu, cpu) + cycles_per_alarm, + cycles_per_alarm); + /* Indicate this cpu is no longer nohz idle. */ + cpu_clear(cpu, nohz_cpu_mask); +} + +/* Called from interrupt handlers when (local) HZ timer is disabled. */ +void vmi_account_time_restart_hz_timer(struct pt_regs *regs, int cpu) +{ + unsigned long long cur_real_cycl...
[RFC, PATCH 24/24] i386 Vmi no idle hz
2007 Apr 18
1
[RFC, PATCH 24/24] i386 Vmi no idle hz
...(vmi_idle_no_hz_irqs, cpu)++; + + /* Don't bother explicitly cancelling the one-shot alarm -- at + * worse we will receive a spurious timer interrupt. */ + vmi_set_alarm(VMI_ALARM_WIRING | VMI_ALARM_IS_PERIODIC | VMI_CYCLES_AVAILABLE, + per_cpu(process_times_cycles_accounted_cpu, cpu) + cycles_per_alarm, + cycles_per_alarm); + /* Indicate this cpu is no longer nohz idle. */ + cpu_clear(cpu, nohz_cpu_mask); +} + +/* Called from interrupt handlers when (local) HZ timer is disabled. */ +void vmi_account_time_restart_hz_timer(struct pt_regs *regs, int cpu) +{ + unsigned long long cur_real_cycl...